STAFF Sergeant Velez of Shaw Air Force Base (AFB) assisted by AIRMAN First Class Grant of Seymour Johnson AFB, measures and marks 2x4's to be cut to proper size. Both airmen are deployed at Doha, Qatar, as part of the Air Expeditionary Force (AEF) in support of Operation SOUTHERN WATCH. AEFs help build predictability and stability into the way the Air Force schedules its people to respond to contingencies. SOUTHERN WATCH enforces the United Nations Security Council Resolution 688 that establishes a no-fly zone over Southern Iraq below the 32nd parallel